Determine steady-state creep rate at a given stress level
The steady-state creep rates at 473 K for an alloy is 2.5x10-3 (h-1) at 55 MPa and 2.4x10-2 (h-1) at 69 MPa. The activation energy for creep is 140 kJ/mol. Calculate the steady-state creep rate at 523 K at a stress level of 48 MPa.
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Given that the charge on the electron is 1.6 x 10^-19, about how many excess electrons must be on the drop to allow it to be suspended?
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The indices of refraction for the blue and red components of the ray are: blue (ndiamond = 2.444, ncrown glass = 1.531), and red (ndiamond = 2.410, ncrown glass = 1.520). Determine the angle between the refracted blue and red rays in the crown gla
Is the carbon atom associated with magnesium electrophilicor nucleophilic? Write the conjugate acid of a Gringard reagent, and explain why Grignard reagents are strong bases.
The steady-state creep rates at 473 K for an alloy is 2.5x10-3 (h-1) at 55 MPa and 2.4x10-2 (h-1) at 69 MPa. The activation energy for creep is 140 kJ/mol.
Calculate the volume and the temperature of the gas at the higher altitude.
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A loudspeaker is placed between 2 observers who are 110 meters apart along a line connecting them. if one observer records a sound level of 60 dB and the other records a sound level of 80 dB, how far is the speaker from each observer?
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